Q: Is 1,500,780 a Prime Number?
A: No, 1,500,780 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1500780 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 25,013 50,026 75,039 100,052 125,065 150,078 250,130 300,156 375,195 500,260 750,390 and 1,500,780, with no remainder.
Since 1,500,780 cannot be divided by just 1 and 1,500,780, it is not a prime number.